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Section 3.2.3 Compiling and Executing an App with Multiple Classes

• The javac command can compile multiple classes at once. Simply list the source-code filenames after the command with each filename separated by a space from the next. If the directory containing the app includes only one app’s files, you can compile all of its classes with the command javac *.java. The asterisk (*) in *.java indicates that all files in the current directory ending with the filename extension “.java” should be compiled.

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